Lake Murray is a reservoir in San Diego, California, operated by the City of San Diego's Public Utilities Department. It is located within Mission Trails Regional Park. When full, the reservoir has 171.1 surface acres, a maximum water depth of 95 feet, and 3.2 shoreline miles. The asphalt-paved service road lining roughly two-thirds of the lake's perimeter is a popular recreation site for the Navajo community. It lies south of Cowles Mountain and is an important reporting point for aircraft inbound to land at Montgomery Field airport (identifier: KMYF).
Lake Murray is a popular site for hikers, bicyclists and runners who move around the periphery of the lake. Kayaking and catch-and-release fishing are both allowed on the reservoir. Birdwatchers enjoy visiting Lake Murray where ducks, geese and herons abound. At least 149 bird species have been observed and recorded at Lake Murray.